BruceM wrote:
Brassolaeliocattley Chyong Guu Chaffinch “Ta Hsin”
http://home.roadrunner.com/~katkom/IMG_3896.JPG

Bulb is turning soft,and you can see the one that rotted and fell off.What
fungicide works best here? A lot of reading indicates etridiazole, which I
have not tracked back to a brand name yet.



I read Diana's reply, I looked at your picture.
I agree that it is a goner. So much so that I wouldn't try any remedy at
all. It looks to me that the base of each pseudobulb is dead and the new
growth that started has died also. There is nothing left that can grow on.
This type of problem starts in the rhizome. It can spread the entire
length of the rhizome, dooming the plant, before it starts to travel up
the base of the pseudobulbs where it can be seen. I have a plant do this
once in a while. I discovered two plants heading down this path in the
last 3 months. Both had several growths (unlike your plant with only 3)
and I was able to find a section where the rot had not spread yet. One
looks like it will make it for sure. The other one I can't tell yet.
The rhizome of your plant seems to be covered by the medium. I plant
mine a little deep sometimes too because my humidity runs kind of low
and I've had roots dry up before they reach the medium. I do believe
planting deep makes this disease much more likely. Even more so if your
humidity is also high keeping the top layers moist longer.
Didn't mean to write a book.

Steve